v14: Click features, Various improvements

This release is for GNOME 45+ only.

New click features:

• click on active workspace to trigger overview (#57, #63)
• click on focused application to minimize it (#60, #63)

Various improvements:

• ignore application using regular expressions (regex) (#54, #55)
• add "hide GNOME default workspace indicator" toggle (#58, #64)

Refactor:

• CSS refactor (renamed variables and classes) (#59, #65)
• improve install script (#66)
• improve ignored windows (tooltips, popovers, dialogs, ...) detection (#61, #67)
• improve limit icons mechanism (both on workspaces indicator and "ALL" monitor indicator)

Full Changelog: v12...v14